Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D497917 | Compressor shroud | Douglas R. Harper, Matthew Davis Bantly | 2004-11-02 |
| D495717 | Control panel for a compressor | Douglas R. Harper, James Louis Tobergta, Joseph Robert Stephens | 2004-09-07 |
| D489736 | Control panel for a compressor | Douglas R. Harper, James Louis Tobergta, Joseph Robert Stephens | 2004-05-11 |